I HAVE A 2007 REBUILT 4L60E 4X4 TRANSMISSION WITH A TRANSGO SHIFT KIT THAT FITS THE 4.2 LITRE ENGINE, THIS TRANSMISSION IS COMPLETLY REBUILT WITH 0 MILES ON IT, IT HAS ALL NEW REYBESTOES CLUTHES STEELS AND BAND, REMACHINED REVERSE DRUM, BOTH SPRAGS ARE NEW BORG WARNER, ALL NEW CLEVITE BUSHINGS, HARDENED SUNSHELL, NEW EPC SOLENOID, ALL NEW BILLET ACCUMULATORS, $1125 EXCHANGE UNBREAKABLE RINGS, INSTALLATIONS AND OTHER TRANSMISSIONS AVAILABLE, 519 702 3337